The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 2022
Filed:
May. 22, 2020
Zf Friedrichshafen Ag, Friedrichshafen, DE;
Jens Kastens, Tettnang, DE;
Frank Deprez, Mariabrunn, DE;
ZF FRIEDRICHSHAFEN AG, Friedrichshafen, DE;
Abstract
A method for operating a drive train of a motor vehicle with a prime mover () including an internal combustion engine () and an electric machine (), a separating clutch () connected between the internal combustion engine and the electric machine, and a transmission () connected between the prime mover () and a driven end () is provided. When at least one first operating condition is present, a previously decoupled internal combustion engine () is coupled such that the separating clutch () is actuated to engage. When at least one second operating condition is present, the coupling of the internal combustion engine is aborted, and an absolute value of a torque currently transmitted or currently transmittable by the separating clutch () is determined. The separating clutch () is disengaged at different rates depending on the absolute value of the torque currently transmitted or currently transmittable by the separating clutch ().